Question

the area of an isosceles triangle having Base 2 cm and length of of one of the equal sides 4cm

Answer 1

the answer is 4cm
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Answer 2

Answer:

Step-by-step explanation:

Let the sides of the triangle be a,b,c

then a=2cm ,b=4cm ,c=4cm

s=(a+b+c)/2

 =(2+4+4)/2

 =10/2

 =5cm

now we can find area by heron's formula

So, Area=(s*(s-a)(s-b)(s-c))root 1/2

             =(5*3*1*1)root1/2

             =root 15cm^2